CN113683778B - Ternary copolymer silicone oil and preparation method and application thereof - Google Patents

Abstract

The invention relates to the field of IPC A61K8/72, in particular to ternary polymerization silicone oil and application thereof, and the raw materials comprise: amino-terminated polyether, epoxy polysiloxane and a solvent A; the molar ratio of the amine-terminated polyether to the epoxy polysiloxane is (0.7-1.5): 1. the invention provides ternary polymerization silicone oil for hair care products, which adopts a high molecular mass linear structure of polyether block hydrophilic amino modified organosilicon, has stronger adsorption capacity to hair, and improves the smoothness of hair bundles after use, and has luster and elasticity; the invention gives the hair care product good hydrophilicity and stability, and higher foam quantity. The invention has the characteristics of small dosage and strong hair care effect, and is suitable for wide popularization in the field of shampoo.

Description

Ternary copolymer silicone oil and preparation method and application thereof

Technical Field

The invention relates to the field of IPC A61K8/72, in particular to ternary polymerization silicone oil and a preparation method and application thereof.

Background

The addition of polydimethylsiloxane and its derivatives, especially amino-modified silicone oils, to hair care products has become an effective means of improving hair smoothness and softness. Chinese patent CN201711274300.9 discloses a hair conditioner and a preparation method thereof, wherein amino silicone oil microemulsion, silicone polymer, oil phase mixture and water phase mixture are adopted to act together to enhance glossiness and smoothness of hair; chinese patent CN202010052008.8 discloses a synthesis and application of double-end and side-chain modified amino silicone oil, chinese patent CN201010136101.3 discloses a preparation method and application of double-end amino silicone oil with conditioning function and emulsion thereof, and the prior art all utilizes adsorptivity of amino silicone oil to improve smoothness and softness of hair, but the existing amino silicone oil has the problems of strong instability of emulsion and easy demulsification, and is easy to have defects of color change, viscosity reduction, defoaming and the like when applied to shampoo. Therefore, how to enhance the stability of hair care products while maintaining the conditioning effect of amino silicone oil on hair is a problem to be solved in the art.

Disclosure of Invention

The invention solves the problems of strong emulsion instability and easy demulsification of amino silicone oil in the prior art by providing the ternary polymerization silicone oil, and the ternary polymerization silicone oil has the defects of easy color change, viscosity reduction, defoaming and the like when being applied to shampoo, and realizes the ternary polymerization silicone oil with high efficiency and strong hair care and stability.

The first aspect of the invention provides ternary polymerization silicone oil, which comprises the following raw materials: amino-terminated polyether, epoxy polysiloxane and a solvent A;

in some preferred embodiments, the molar ratio of amine-terminated polyether to epoxy polysiloxane is (0.7-1.5): 1.

further preferably, the molar ratio of amine-terminated polyether to epoxy polysiloxane is 1.2:1.

in some preferred embodiments, the amine-terminated polyether is an amine-terminated polyether having a functionality of 2 and/or an amine-terminated polyether having a functionality of 3, the amine-terminated polyether having an average molecular weight of 200 to 6000.

Further preferably, the amine-terminated polyether is an amine-terminated polyether having a functionality of 2.

In some preferred embodiments, the amino-terminated polyether having a functionality of 2 has the general structural formula

1＜n＜70。

In some preferred embodiments, the amine-terminated polyether has a total amine number of 0.4 to 9meq/q, an active hydrogen equivalent of 50 to 600g/eq, and a viscosity of 9 to 300cst at 25 ℃.

Examples of amine-terminated polyethers having a functionality of 2 include, but are not limited to, the hounsfield series D230, D400, D2000.

The structural formula of the D230 is

n=3; the total amine number was 8.5meq/q, the active hydrogen equivalent was 60g/eq, and the viscosity was 10cst at 25 ℃.

The structural formula of the D400 is

n=6; the total amine number was 4.5meq/q, the active hydrogen equivalent was 115g/eq, and the viscosity was 22cst at 25 ℃.

The structural formula of the D2000 is

n=33; the total amine number was 1.0meq/q, the active hydrogen equivalent was 514g/eq, and the viscosity was 250cst at 25 ℃.

Further preferably, the amino-terminated polyether is D230 and D400, and the weight ratio of D230 to D400 is (2.4-5): 1.

amino silicone oil is the most widely used one in silicone oil shampoo products, amino is introduced into a polysiloxane side chain or end group structure, on one hand, the amino silicone oil has good adsorptivity to hair, can be better combined with pollutants on the surface of the hair, and achieves a cleaning effect under the action of water flow; on the other hand, the damage to the concave-convex parts of the hair scales can be made up, so that the hair bundles are smooth. However, the emulsion stability of the amino silicone oil is poor, the viscosity reduction, yellowing and layering conditions of the shampoo are easy to occur in the storage process, and the foam amount can be reduced along with the addition of the amino silicone oil in the actual use process, so that the use experience is affected. In order to ensure the hair care effect and improve the stability of the silicone oil, the invention adopts the amino terminated polyether and the epoxy polysiloxane to form the ternary polymerization block silicone oil, and the prepared block silicone oil has extremely strong spreadability, can be rapidly spread on the surface of hair to form a uniform protective film in a shampoo product, and effectively enhances the softness and smoothness of damaged hair bundles. In the practical exploration process, the stability of the product is closely related to the molecular structure of the block silicone oil, and the stability and the hair care effect of ternary copolymer silicone oil formed by amino-terminated polyethers with different polymerization structures are different. After a large number of experimental attempts, it is unexpectedly found that the stability of the product can be effectively improved by adopting amino-terminated polyether with the functionality of 2, especially a specific amount of D230 and D400 to participate in the synthesis of the copolymer silicone oil together, and the yellowing and layering trend of the shampoo are inhibited.

In some preferred embodiments, the epoxy polysiloxane comprises one or more of a terminal epoxy silicone oil, a pendant epoxy silicone oil, and a terminal epoxy silicone oil.

Further preferably, the epoxy polysiloxane is epoxy-terminated silicone oil; preferably, the end epoxy silicone oil is prepared by acid-catalyzed hydrosilylation or base-catalyzed polymerization.

In some preferred embodiments, the epoxy-terminated silicone oil is prepared by base-catalyzed polymerization, and the raw materials comprise a silicone oil monomer and an epoxy end-capping agent; the specific reaction steps comprise: and (3) placing the silicone oil monomer and the epoxy end capping agent in the solvent B, stirring and heating, adding alkali, heating to 100-120 ℃ for reaction for 2-5h, decompressing and separating the solvent B, heating to 135-145 ℃, preserving heat and decompressing for 1-3h to obtain the epoxy end silicone oil.

In some preferred embodiments, the silicone oil monomer comprises at least one of a dimethicone mixed ring, a hexamethylcyclotrisiloxane, an octamethyltetrasiloxane, a trifluoropropyl methyltrisiloxane.

In some preferred embodiments, the epoxy-capping agent comprises 1, 3-diglycidyl ether oxypropyl-1, 3-tetramethyldisiloxane and/or 1, 3-bis (3-aminopropyl) -1, 3-tetramethyldisiloxane.

The invention further researches that octamethyl cyclotetrasiloxane is adopted as a silicone oil monomer, epoxy end capping is carried out under the action of alkali catalysis, the formed end epoxy-capped silicone oil and specific amino-terminated polyether have higher reactivity, ternary polymerization silicone oil with better dispersion characteristics can be formed, after the ternary polymerization silicone oil is applied to hair bundles, the flexibility of the hair bundles can be improved, the friction force among the hair bundles can be reduced, entanglement among the hair bundles is obviously inhibited, and the easy carding property of the hair bundles is improved; meanwhile, the hair is not completely collapsed due to softness, the film thickness of the block silicone oil on the surface of the hair is proper, the hair filaments are effectively protected from fully absorbing nutrient substances, the physiological activity of the keratin is enhanced, the hair has certain elasticity and glossiness, and the smooth, soft and elastic hair care effect can be kept for a long time.

The second aspect of the invention provides a preparation method of ternary polymerization silicone oil, which comprises the following preparation steps: and (3) adding the solvent A, the amino-terminated polyether and the epoxy polysiloxane into a reaction kettle in sequence according to the formula amount, heating to 80-90 ℃ for reacting for 5-10h, cooling and discharging to obtain the epoxy polysiloxane.

The third aspect of the invention provides the use of a ternary silicone oil for use in a hair care product; preferably, the ternary silicone oil accounts for 0.1-10% of the total weight of the hair care product.

In some preferred embodiments, the hair care product comprises, in weight percent:

phase A: 0.1-1% of polyquaternary ammonium salt, 0.05-1% of thickener, 20-36% of surfactant, 0.2-3% of small molecular alcohol and the balance of water;

and B phase: 0.1-6% of ternary copolymer silicone oil;

and C phase: 0.1 to 0.5 percent of bacteriostat, 0.05 to 0.5 percent of organic acid and 0.1 to 1 percent of NaCl;

the sum of the weight of the phase A, the weight of the phase B and the weight of the phase C is 100%.

Examples of the polyquaternium include, but are not limited to, polyquaternium-7, polyquaternium-10, polyquaternium-39, and polyquaternium-51; preferably polyquaternium-10, from the united states dow.

In some preferred embodiments, the thickener comprises at least one of guar gum, xanthan gum, cellulose and derivatives thereof, polyacrylate; guar gum is preferred.

The guar gum is further preferably a cationic guar gum, such as guar hydroxypropyl trimethylammonium chloride, derived from the united states dow.

In some preferred embodiments, the surfactant comprises a combination of one or more of alkyl betaines, linear alcohol polyether sulfate salts, lauroyl glutamate, cocoamide, secondary alkyl sulfonates, alcohol ether carboxylates, fatty alcohol ether phosphates.

Further preferably, the surfactant comprises alkyl betaines, linear alcohol polyether sulfate, lauroyl glutamate, coco amide; alkyl betaine, linear alcohol polyether sulfate, lauroyl glutamate and cocoamide with the weight ratio of (3-10): (12-24): (1-5): (0.1-4).

According to the invention, the ternary polymerization silicone oil is applied to hair-washing products, and a great amount of attempts are made on the formula, so that the combination of alkyl betaine, linear chain alcohol polyether sulfate, lauroyl glutamate, cocamide and ternary polymerization silicone oil can effectively improve the water resistance of the hair-washing products, and the hair bundles are not dry, fluffy and disordered after being washed by running water, but are kept in a soft and upright state, and the glossiness is obviously improved. According to the invention, when the addition amount of the ternary polymerization silicone oil in the formula is 0.1-6%, especially 1%, the shampoo can not only effectively clean and nourish hair, but also further improve the foaming force of the shampoo product in the use process and the stability in the storage process, and a polysiloxane molecular chain with a specific structure can possibly form a molecular film with a certain mechanical strength with raw materials such as a surfactant, and the foam formed after gas enters a system in the stirring process is not easy to break, so that the foaming amount of the shampoo product is improved, and further the strong adsorption capacity to dirt on the surface of the hair bundle is formed, so that the purpose of strongly cleaning and caring hair can be achieved by using a small amount of shampoo.

Examples of small molecule alcohols include, but are not limited to, glycerol, butanediol, pentanediol; butanediol is preferred, and 1, 3-butanediol is further preferred.

In some preferred embodiments, the organic acid comprises one or more of malic acid, citric acid, acetic acid, oxalic acid, succinic acid, lactic acid, tartaric acid.

In some preferred embodiments, the step of preparing the hair care product comprises:

s1, mixing the phase A raw materials according to the formula amount, heating to 80-85 ℃, and uniformly stirring to obtain a mixture I;

s2, adding the phase B raw material into the mixture I, uniformly stirring, and cooling to 40-45 ℃ to obtain a mixture II;

s3, mixing the C-phase raw materials according to the formula amount, adding the mixture into the mixture II, uniformly stirring, and filtering to obtain a finished product.

The beneficial effects are that:

the invention provides ternary polymerization silicone oil for hair care products, which adopts a high molecular mass linear structure of polyether block hydrophilic amino modified organosilicon, has stronger adsorption capacity to hair, and improves the smoothness of hair bundles after use, and has luster and elasticity; the invention gives the hair care product good hydrophilicity and stability, and higher foam quantity. The invention has the characteristics of small dosage and strong hair care effect, and is suitable for wide popularization in the field of shampoo.

Drawings

Fig. 1: an initial state of damaged hair strand a and damaged hair strand B;

fig. 2: wet hair state of the damaged hair bundle A and the damaged hair bundle B after washing;

fig. 3: the damaged hair bundle A and the damaged hair bundle B are washed to be in a semi-dry state;

fig. 4: and washing and drying the damaged hair bundle A and the damaged hair bundle B.

Detailed Description

Example 1.

The embodiment provides ternary polymerization silicone oil, which comprises the following raw materials: amino-terminated polyether, epoxy polysiloxane and a solvent A;

the molar ratio of the amine-terminated polyether to the epoxy polysiloxane to the solvent A is 1.2:1:100.

The amino-terminated polyether is a henzema series D230 and D400, and the weight ratio of D230 to D400 is 3:1, a step of; both D230 and D400 are derived from Guangzhou City Kogyo Inc.

The structural formula of the D230 is

n=3; the total amine number was 8.5meq/q, the active hydrogen equivalent was 60g/eq, and the viscosity was 10cst at 25 ℃.

The structural formula of the D400 is

n=6; the total amine number was 4.5meq/q, the active hydrogen equivalent was 115g/eq, and the viscosity was 22cst at 25 ℃.

The epoxy polysiloxane is epoxy-terminated silicone oil, and is prepared by base-catalyzed polymerization.

The raw materials of the epoxy-terminated silicone oil comprise a silicone oil monomer and an epoxy end capping agent; the specific reaction steps comprise: and (3) placing the silicone oil monomer and the epoxy end capping agent in the solvent B, stirring and heating to 65 ℃, adding alkali, stirring uniformly, heating to 115 ℃ for reacting for 5 hours, decompressing and separating the solvent B, heating to 140 ℃, reducing the pressure to below 0.1MPa, and reacting for 2.5 hours to obtain the epoxy-terminated silicone oil.

The silicone oil monomer is octamethyl cyclotetrasiloxane and is derived from Merck in Germany; the epoxy end-capping agent is 1, 3-diglycidyl ether oxypropyl-1, 3-tetramethyl disiloxane, which is sourced from Shanghai silicon general chemical Co.

The molar ratio of the silicone oil monomer to the epoxy end-capping agent is 16:1:100; the alkali is specifically potassium hydroxide, and the solvent B is specifically acetyldimethylamine; the weight ratio of the potassium hydroxide, the acetyldimethylamine and the octamethyl cyclotetrasiloxane is 0.1:20:90.

the solvent A is isopropanol.

The preparation method of the ternary polymerization silicone oil comprises the following steps: and (3) adding the solvent A, the amino-terminated polyether and the epoxy polysiloxane into a reaction kettle in sequence according to the formula amount, heating to 86 ℃ for reaction for 7 hours, cooling and discharging to obtain the epoxy polysiloxane.

Example 2.

This example provides the use of the ternary silicone oil prepared in example 1, which is used in hair care products; the hair washing and caring product comprises the following raw materials in percentage by weight:

phase A: 0.4% of polyquaternary ammonium salt, 0.2% of thickener, 30% of surfactant, 1% of small molecular alcohol and the balance of water;

and B phase: 1% of ternary copolymer silicone oil prepared in example 1;

and C phase: 0.1% of bacteriostat, 0.1% of organic acid and 0.5% of NaCl;

the sum of the weight of the phase A, the weight of the phase B and the weight of the phase C is 100%.

The polyquaternium is polyquaternium-10 and is derived from the United states of America Dow.

The thickener is cationic guar gum, in particular guar hydroxypropyl trimethyl ammonium chloride, and is derived from the United states of America Dow.

The surfactant comprises alkyl betaine, linear alcohol polyether sulfate, lauroyl glutamate and cocoamide; alkyl betaine, linear alcohol polyether sulfate, lauroyl glutamate and cocoamide with the weight ratio of 7:19:3:1.

the alkyl betaine is specifically lauramidopropyl betaine, and the CAS number is 61789-40-0.

The straight-chain alcohol polyether sulfate is specifically ammonium laureth sulfate, and the CAS number is 32612-48-9.

The lauroyl glutamate is specifically lauroyl disodium glutamate and is derived from the sea Andrographites of Jiangsu province.

The cocoamide is specifically cocofatty acid monoethanolamide, and is derived from the sea Andrographites of Jiangsu province.

The small molecular alcohol is 1, 3-butanediol, and the CAS number is 107-88-0.

The organic acid is citric acid, and the CAS number is 77-92-9.

The bacteriostat is kasong and is derived from Shandong's Ten thousand chemical compounds.

The preparation steps of the hair washing and caring product comprise:

s1, mixing the phase A raw materials according to the formula amount, heating to 85 ℃, and uniformly stirring to obtain a mixture I;

s2, adding the phase B raw material into the mixture I, uniformly stirring, and cooling to 42 ℃ to obtain a mixture II;

s3, mixing the C-phase raw materials according to the formula amount, adding the mixture into the mixture II, uniformly stirring, and filtering with 200 meshes to obtain a finished product.

Example 3.

This example provides the use of the ternary silicone oil prepared in example 1, which is used in hair care products; the hair washing and caring product comprises the following raw materials in percentage by weight:

phase A: 0.7% of polyquaternary ammonium salt, 0.4% of thickener, 36% of surfactant, 2% of small molecular alcohol and the balance of water;

and B phase: 2% of ternary copolymer silicone oil prepared in example 1;

and C phase: 0.1% of bacteriostat, 0.2% of organic acid and 0.7% of NaCl;

the sum of the weight of the phase A, the weight of the phase B and the weight of the phase C is 100%.

The polyquaternium is polyquaternium-10 and is derived from the United states of America Dow.

The thickener is cationic guar gum, in particular guar hydroxypropyl trimethyl ammonium chloride, and is derived from the United states of America Dow.

The surfactant comprises alkyl betaine, linear alcohol polyether sulfate, lauroyl glutamate and cocoamide; alkyl betaine, linear alcohol polyether sulfate, lauroyl glutamate and cocoamide with the weight ratio of 7:19:3:1.

the alkyl betaine is specifically lauramidopropyl betaine, and the CAS number is 61789-40-0.

The straight-chain alcohol polyether sulfate is specifically ammonium laureth sulfate, and the CAS number is 32612-48-9.

The lauroyl glutamate is specifically lauroyl disodium glutamate and is derived from the sea Andrographites of Jiangsu province.

The cocoamide is specifically cocofatty acid monoethanolamide, and is derived from the sea Andrographites of Jiangsu province.

The small molecular alcohol is 1, 3-butanediol, and the CAS number is 107-88-0.

The organic acid is citric acid, and the CAS number is 77-92-9.

The bacteriostat is kasong and is derived from Shandong's Ten thousand chemical compounds.

The preparation steps of the hair washing and caring product comprise:

s1, mixing the phase A raw materials according to the formula amount, heating to 85 ℃, and uniformly stirring to obtain a mixture I;

s2, adding the phase B raw material into the mixture I, uniformly stirring, and cooling to 42 ℃ to obtain a mixture II;

s3, mixing the C-phase raw materials according to the formula amount, adding the mixture into the mixture II, uniformly stirring, and filtering with 200 meshes to obtain a finished product.

Comparative example 1.

This example provides a hair care product, the specific embodiment of which is the same as example 1; except that the phase B material was replaced with a commercially available aminosilicone, specifically, dow Corning OFX-8040A-8417-8468.

Comparative example 2.

This example provides a hair care product, the specific embodiment of which is the same as example 1; the difference is that the amino-terminated polyether is D230 and D4000 of the Henschel series, and the weight ratio of D230 to D4000 is 3:1, a step of; both D230 and D4000 are from Guangzhou City Kogyo Inc.

The structural formula of the D4000 is

n=68; the total amine number was 0.5meq/q, the active hydrogen equivalent was 1000g/eq, and the viscosity was 7cst at 25 ℃.

Performance test method

1. Hair care effect:

2 parts of equivalent (40 g,15cm each) clean damaged hair strands (damaged hair strand A and damaged hair strand B, see FIG. 1) were taken for simulation testing; washing damaged hair bundle A: the specific operation is that 5g of the hair washing and caring product prepared in the example 2 is added, evenly smeared on hair bundles, gently rubbed for 2min, rinsed for 2min with water and dried; meanwhile, the damaged hair bundle B is taken as a blank control, and is washed for 2min only by water and dried. Observing the state of 2 damaged hair bundles in wet, semi-dry and blow-drying, wherein in fig. 2-4, the left damaged hair bundle B is shown in fig. 1-4, and the right damaged hair bundle A is shown in the right; it is apparent from fig. 1 that the hair washing and caring product obtained by using the ternary polymerization silicone oil prepared by the invention can obviously improve damaged hair bundles after washing, and make the hair bundles smooth, smooth and glossy.

2. Sensory evaluation:

repeating the washing operation for 3 times for the damaged hair bundle A, and simultaneously performing the washing and drying operation for 3 times for the damaged hair bundle B; 10 volunteers were randomly selected and sensory scored for damaged hair bundle a and damaged hair bundle B as follows; the top score was 0 (low) to 7 (high), and the average of the scoring results for each item was recorded in table 1.

(1) Smoothness: placing the damaged hair bundle between thumb and index finger, and sensing resistance by moving index finger;

(2) Softness: the damaged hair bundles are placed between the index finger and the middle finger to be bent, the bending difficulty degree of the hair bundles is perceived, and the lower the softness degree is difficult to be described;

(3) Comb rationality: the comb is used for penetrating through the damaged hair bundles from the beginning to the end, the difficulty level of the comb when the comb passes through is perceived, and the lower the difficulty level of the comb is described;

(4) Durability: the damaged hair bundles are placed under illumination at 37 ℃ for 24 hours, and then the whole effect of the hair bundles is observed by naked eyes, and the better the whole effect is illustrated

(5) Elasticity: the damaged hair bundle is placed between the index finger and the middle finger, and the hair elasticity is perceived through the up-and-down poking of the finger.

3. Stability test:

the hair washing products prepared in examples 2 and 3 and comparative examples 1 and 2 are subjected to centrifugal action for 5min (1000 r/min) and then placed at (1) 45 ℃, (2) 26 ℃, (3) 5 ℃ for 3h in sequence, and are circulated for 3 times, 10 parallel samples are arranged in each group of examples/comparative examples, after the test is finished, the number N of parallel samples with layering and color changing in the parallel samples is observed, N < 2 is good stability, N is 2-3, N is good stability, and N > 3 is poor stability; recorded in table 2.

Performance test data

TABLE 1 sensory evaluation test results

TABLE 2 stability test results

Claims (1)

1. The application of the ternary polymerization silicone oil is characterized in that the ternary polymerization silicone oil is applied to a hair-washing and caring product; the hair washing and caring product comprises the following raw materials in percentage by weight:

phase A: 0.4% of polyquaternary ammonium salt, 0.2% of thickener, 30% of surfactant, 1% of small molecular alcohol and the balance of water;

and B phase: 1% of ternary copolymer silicone oil;

and C phase: 0.1% of bacteriostat, 0.1% of organic acid and 0.5% of NaCl;

the sum of the weight of the phase A, the phase B and the phase C is 100 percent;

the polyquaternary ammonium salt is polyquaternary ammonium salt-10;

the thickener is guar hydroxypropyl trimethyl ammonium chloride;

the surfactant comprises alkyl betaine, linear alcohol polyether sulfate, lauroyl glutamate and cocoamide; alkyl betaine, linear alcohol polyether sulfate, lauroyl glutamate and cocoamide with the weight ratio of 7:19:3:1, a step of;

the alkyl betaine is lauramidopropyl betaine;

the straight-chain alcohol polyether sulfate is ammonium laureth sulfate;

the lauroyl glutamate is disodium lauroyl glutamate;

the cocoamide is coco fatty acid monoethanolamide;

the small molecular alcohol is 1, 3-butanediol;

the organic acid is citric acid;

the bacteriostat is pinus koraiensis;

the preparation steps of the hair washing and caring product comprise:

s1, mixing the phase A raw materials according to the formula amount, heating to 85 ℃, and uniformly stirring to obtain a mixture I;

s2, adding the phase B raw material into the mixture I, uniformly stirring, and cooling to 42 ℃ to obtain a mixture II;

s3, mixing the C-phase raw materials according to the formula amount, adding the mixture into the mixture II, uniformly stirring, and filtering with 200 meshes to obtain a finished product;

the ternary polymerization silicone oil comprises the following raw materials: amino-terminated polyether, epoxy polysiloxane and a solvent A;

the molar ratio of the amine-terminated polyether to the epoxy polysiloxane to the solvent A is 1.2:1:100;

the amino-terminated polyether is a henzema series D230 and D400, and the weight ratio of D230 to D400 is 3:1, a step of;

the structural formula of the D230 is

N=3; the total amine value is 8.5meq/q, the active hydrogen equivalent is 60g/eq, and the viscosity is 10cst at 25 ℃;

the structural formula of the D400 is

N=6; the total amine value is 4.5meq/q, the active hydrogen equivalent is 115g/eq, and the viscosity is 22cst at 25 ℃;

the epoxy polysiloxane is epoxy-terminated silicone oil, and is specifically prepared by base-catalyzed polymerization;

the raw materials of the epoxy-terminated silicone oil comprise a silicone oil monomer and an epoxy end capping agent; the specific reaction steps comprise: placing a silicone oil monomer and an epoxy end capping agent in a solvent B, stirring and heating to 65 ℃, adding alkali, stirring uniformly, heating to 115 ℃ for reacting for 5 hours, decompressing and separating the solvent B, heating to 140 ℃, reducing the pressure to below 0.1MPa, and reacting for 2.5 hours to obtain epoxy end silicone oil;

the silicone oil monomer is octamethyl cyclotetrasiloxane; the epoxy end-capping agent is 1, 3-diglycidyl ether oxypropyl-1, 3-tetramethyl disiloxane;

the molar ratio of the silicone oil monomer to the epoxy end-capping agent is 16:1:100; the alkali is specifically potassium hydroxide, and the solvent B is specifically acetyldimethylamine; the weight ratio of the potassium hydroxide, the acetyldimethylamine and the octamethyl cyclotetrasiloxane is 0.1:20:90;

the solvent A is isopropanol;

the preparation method of the ternary polymerization silicone oil comprises the following steps: and (3) adding the solvent A, the amino-terminated polyether and the epoxy polysiloxane into a reaction kettle in sequence according to the formula amount, heating to 86 ℃ for reaction for 7 hours, cooling and discharging to obtain the epoxy polysiloxane.

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